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The AAPG/Datapages Combined Publications Database
Showing 44,968 Results. Searched 200,663 documents.
Analogue Fractured Reservoir Characterization in Grasberg Igneous Complex (GIC) and New Guinea Limestone Group, Papua
Muhammad Fachri, Benyamin Sapiie, Wahyu Sunyoto, Sugeng Widodo, Yudihanri, Widodo Margotomo
Indonesian Petroleum Association
.... A power-law diagram of fault spacing in the TK Formation shows two best fit lines, while in the Monomict breccia DLMF Rock Unit only one best fit line...
2005
Sedimentology of the Rocktown Channel Sandstone, Upper Part of the Dakota Formation (Cretaceous), Central Kansas
Charles T. Siemers
Journal of Sedimentary Research (SEPM)
... from the lower cross-bedded unit give a vector mean of 245°, with a standard deviation of about 66°. Vector resultants for the channel segments...
1976
ABSTRACT: TECHNIQUE OF FORECASTING COAL GAS ENRICHING SECTION
Shuangan Yang, Shunian Ning, Huixing Zhang
The Society for Organic Petrology (TSOP)
... + + ∂z ∂x ∂y θ is body strain for solid phase, u is displacement vector for solid phase. ε = divU = ∂U x ∂U y ∂U z + + ∂z ∂x ∂y ε is body strain...
2006
Paleocurrent Analysis of the Mainly Fluviatile Permian and Triassic Beacon Rocks, Beardmore Glacier Area, Antarctica
Peter J. Barrett
Journal of Sedimentary Research (SEPM)
... vector rather than arithmetic means, was used to indicate the likelihood that differences in current direction for different areas, formations, or types...
1970
A genetic algorithm–driven support vector machine to discriminate the kerogen type using conventional geophysical logging data
Jier Zhao, Xinmin Ge, Yiren Fan, Jianyu Liu, Yiguo Chen, and Lei Xing
AAPG Bulletin
...A genetic algorithm–driven support vector machine to discriminate the kerogen type using conventional geophysical logging data Jier Zhao, Xinmin Ge...
2023
Offshore Coiled Tubing Drilling Arrives in Indonesia
Andrew D. Kirk, Taufiq Sembiring
Indonesian Petroleum Association
..." C.T.D. unit supplied and operated by P.T. Dowell Indonesia. The Semar was a 1950 eight(8) legged jack-up rig that had it's legs "amputated" in 1990...
1998
Seismic Stratigraphic Investigation of the West Florida Basin
Jacques P. Lord
GCAGS Transactions
... of the WFB. Model 2 has transform faults that trend WNW-ESE through the Florida peninsula and tangent to the toe of the peninsula. These transform...
1987
Grain Fabric in Hummocky Cross-Stratified Storm Beds: Genetic Implications
R. J. Cheel
Journal of Sedimentary Research (SEPM)
... sole marks; a basal lag of coarse-grained sediment and/or a unit of horizontally-laminated sandstone; HCS sandstone, sometimes passing gradationally...
1991
Palaeomagnetic Methods of Investigating Polar Wandering and Continental Drift
S. K. Runcorn
Special Publications of SEPM
... also shows that a confidence ob to length precisely RjN of the statistic c from natural pro along each unit vector the the true 2 must...
1963
Structural architecture of the Farnsworth oil unit: Implications for geologic storage of carbon dioxide
Jingyao Meng, Jack C. Pashin, and Peter E. Clark
Environmental Geosciences (DEG)
... and regionally. Two distinctive joint systems were identified in the study area. The older system was observed in outcrops east of the oil unit and has vector...
2017
Numerical Upcaling of Coupled Flow and Geomechanics in Highly Heterogeneous Porous Media
Daegil Yang, George J. Moridis, Thomas A. Blasingame
Unconventional Resources Technology Conference (URTEC)
... , , , are a velocity vector, the second order permeability tensor, viscosity and pressure, respectively. The constitutive equation for the mechanics...
2013
Three-Dimensional Control
G. E. Anderson
Oklahoma City Geological Society
... of the resolver. The vector sum is determined by completing the rectangle visually using the lines scribed at right angles, on the device...
1958
Simulating Naturally Fractured Reservoirs: Comparing Discrete Fracture Network Models to the Upscaled Equivalents
Huabing Wang, Craig Forster, and Milind Deo
Search and Discovery.com
...’s method begins by considering the orientation of the fractures in a grid cell, expressed as a unit normal vector n, integrating the fractures over all...
Unknown
Calibration of stiffness parameters for Hardening Soil Model in residual soil from Kenny Hill Formation
Darvintharen Govindasamy, Mohd Ashraf Mohamad Ismail, Mohd Faiz Mohammad Zaki, Mohd Hazreek Zainal Abidin
Geological Society of Malaysia (GSM)
... is used as an alternative of the initial modulus E0 for small strain which, as a tangent modulus is harder to represent the soil behaviour. However...
2019
Sandstone Imbrication Study in Planar Sections: Dispersion, Biasses, and Measuring Methods
G. S. Gibbons
Journal of Sedimentary Research (SEPM)
... is the same (proportionately) in all sections; so the number frequency (per unit area) of such grains varies from section to section, since number proportion...
1972
Sedimentology of the Mungaroo Formation in the Echo-Yodel Field: A Borehole Image Perspective
A. A. Bal, J. D. Prosser, T. J. Magee
Petroleum Exploration Society of Australia (PESA)
... accumulation occurs within high reservoir quality fluviatile sandstones of the E Unit of the Triassic Mungaroo Formation. Porosities average approximately 21...
2002
Huronian Stratigraphy and Paleocurrent Analysis in the Espanola-Willisville Area, Sudbury District, Ontario, Canada
Satyendra M. Casshyap
Journal of Sedimentary Research (SEPM)
.... J, 1956, Some vector and arithmetic operations on two dimensional orientation variates, with application to geological data: Jour. Geology, v. 64, p...
1968
Regional Analysis of Sedimentology of Medina Formation (Silurian), Ontario and New York
I. P. Martini
AAPG Bulletin
... time-transgressive unit (Fisher, 1954). The reasons for accepting such terminology and stratigraphic subdivisions are two-fold: (a) the rock sequence...
1971
Azimuthal Hold Technology Implementation in Vaca Muerta
Oscar Sanchez, Francisco Javier Mela, Rodrigo Martin
Unconventional Resources Technology Conference (URTEC)
... effect Improvement of azimuth hold efficiency is paramount for the improvement of performance in the lateral sections in UCR plays. As the steering unit...
2021
Upper Cretaceous Resedimented Conglomerates at Wheeler Gorge, California: Description and Field Guide
Roger G. Walker
Journal of Sedimentary Research (SEPM)
... 1 and 3 gives vector means of 282 and 287 degrees respectively. This agrees closely with flutes (285) and grooves (279) on layer 1, and hence gives...
1975
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... the polynomial in equation (1) for the unit circle in the z plane. That is, for z 1 and arg(z) (S , S ] . Second, we take the logarithm of the polynomial w...
Unknown
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... the polynomial in equation (1) for the unit circle in the z plane. That is, for z 1 and arg(z) (S , S ] . Second, we take the logarithm of the polynomial w...
Unknown
Paleocurrent Analysis of Severely Deformed Flysch-type Strata-a Case Study from South Georgia Island
R. H. Dott, Jr.
Journal of Sedimentary Research (SEPM)
... plunge showed significantly smaller dispersions, and in many cases the mean-vector orientation was shifted as much as 90°. In a few cases, clear bi-modal...
1974
Laboratory Study of the Distribution of Grain Sizes in Cross Bedded Deposits
Alan V. Jopling
Special Publications of SEPM
... in the preliminary study The approximate path lines of particles settling foreset front of a tabular unit of cross bedding a micro delta the flow pattern...
1960
An Iteratively Coupled Model for Flow, Deformation, and Fracture Propagation in Fractured Unconventional Reservoirs
Harun Rashid, Femi Olorode, Chukwudi Chukwudozie
Unconventional Resources Technology Conference (URTEC)
... gradient matrix) with a vector, such as p or z in this equation. The face transmissibility, Ti,k is given as: [18] where represents the unit normal...
2021